Triangulation applied to sheet metal pattern cutting : a comprehensive treatise for cutters, draftsmen, foremen and students ... (1920)
Kidder, F. S. (Fred SMith), b. 1863 · New York : The Sheet Metal Publication Company · leaf 46
at surface in those sizes and positions to complete a pattern. The dimensions of said triangles will be de- termined in the same manner as has been previously ex- plained, i. e., the lengths of those lines which form sides of the above spoken of triangles, and connecting points of the base to… … Fig. 27. Pattern. of the object is set off from point F upon the line F E, as at E. The lengths of lines shown in plan as 1 A, 3 A, 3 C, 4 D, etc., are set off upon line F G from point F, as shown. Lines are drawn from said points to point E to
Sheet-metal work
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
